fix(live): expose row logos for projected channels

Derive live channel row logos from the selected or preferred stream variant so the frontend can render logos without falling back to placeholders.

Refs #45

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

test/t45LiveLineLogoRegression.test.js

@@ -0,0 +1,122 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const Database = require('better-sqlite3');
+const liveProjection = require('../server/services/liveProjectionService');
+const {
+    ensureColumns,
+    LIVE_PROJECTION_COLUMNS,
+    LIVE_PROJECTION_SCHEMA_SQL
+} = require('../server/db/liveProjectionSchema');
+
+function createProjectionDb() {
+    const db = new Database(':memory:');
+    db.exec(`
+        CREATE TABLE categories (
+            id TEXT PRIMARY KEY,
+            source_id INTEGER NOT NULL,
+            category_id TEXT NOT NULL,
+            type TEXT NOT NULL,
+            name TEXT NOT NULL,
+            parent_id TEXT,
+            is_hidden INTEGER DEFAULT 0,
+            data JSON
+        );
+        CREATE TABLE playlist_items (
+            id TEXT PRIMARY KEY,
+            source_id INTEGER NOT NULL,
+            item_id TEXT NOT NULL,
+            type TEXT NOT NULL,
+            name TEXT NOT NULL,
+            category_id TEXT,
+            parent_id TEXT,
+            stream_icon TEXT,
+            stream_url TEXT,
+            container_extension TEXT,
+            rating REAL,
+            year TEXT,
+            added_at TEXT,
+            is_hidden INTEGER DEFAULT 0,
+            is_favorite INTEGER DEFAULT 0,
+            data JSON
+        );
+        CREATE TABLE favorites (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            user_id INTEGER NOT NULL,
+            source_id INTEGER NOT NULL,
+            item_id TEXT NOT NULL,
+            item_type TEXT NOT NULL
+        );
+    `);
+    ensureColumns(db, 'playlist_items', LIVE_PROJECTION_COLUMNS);
+    db.exec(LIVE_PROJECTION_SCHEMA_SQL);
+    db.prepare(`
+        INSERT INTO categories (id, source_id, category_id, type, name)
+        VALUES ('sports', 2, 'sports', 'live', 'Sports')
+    `).run();
+    return db;
+}
+
+function seedProjectedVariant(db, { itemId, name, icon, rank }) {
+    db.prepare(`
+        INSERT INTO playlist_items
+            (id, source_id, item_id, type, name, category_id, stream_icon, stream_url, data,
+             logical_channel_id, grouping_fingerprint, grouping_input_hash, quality_label, quality_rank,
+             variant_rank, language_code, language_confidence, language_detector, language_input_hash)
+        VALUES (?, 2, ?, 'live', ?, 'sports', ?, ?, ?, 'logical:bein-sports-1',
+            'bein sports 1', 'group-hash', 'HD', 2, ?, 'fr', 0.97, 'laya', ?)
+    `).run(
+        `2:${itemId}`,
+        itemId,
+        name,
+        icon,
+        `https://streams.test/${itemId}.m3u8`,
+        JSON.stringify({ groupTitle: 'Sports', tvgId: `bein1.${itemId}` }),
+        rank,
+        `language-${itemId}`
+    );
+}
+
+test('projected live channel exposes a row logo from the selected variant stream_icon', () => {
+    const db = createProjectionDb();
+    const preferredLogo = 'http://57.128.182.77:8080/0tv_logo/119.png';
+    db.prepare(`
+        INSERT INTO logical_channels
+            (id, fingerprint, display_name, preferred_variant_id, variant_count, created_at, updated_at)
+        VALUES ('logical:bein-sports-1', 'bein sports 1', 'beIN Sports 1', '2:146116', 2, 1, 1)
+    `).run();
+    seedProjectedVariant(db, {
+        itemId: '146116',
+        name: 'beIN Sports 1 HD FR',
+        icon: preferredLogo,
+        rank: 0
+    });
+    seedProjectedVariant(db, {
+        itemId: '146117',
+        name: 'beIN Sports 1 Backup FR',
+        icon: 'http://57.128.182.77:8080/0tv_logo/backup.png',
+        rank: 1
+    });
+
+    try {
+        const page = liveProjection.getChannelPage({
+            q: 'bein sports 1',
+            languages: ['fr'],
+            includeHidden: false,
+            page: 1,
+            limit: 10
+        }, db);
+
+        assert.equal(page.channels.length, 1);
+        const [channel] = page.channels;
+        assert.equal(channel.variantCount, 2);
+        assert.equal(channel.selectedVariantId, '2:146116');
+        assert.equal(channel.preferredVariant.streamIcon, preferredLogo);
+        assert.equal(
+            channel.tvgLogo || channel.streamIcon,
+            preferredLogo,
+            'ChannelList renders channel.tvgLogo, so the service response needs a row-level logo derived from the preferred variant stream_icon'
+        );
+    } finally {
+        db.close();
+    }
+});